Eau

Question 1

CaCO3 (alkalinity)

Answer 1

0-100 (ppm)
High alkalinity is negative for mashing and forms precipitate with calcium and magnesium ions

Question 2

Calcium

Answer 2

50-200 (ppm)
Fermentation, mash pH

Question 3

Chloride

Answer 3

0-100
Enhances beer flavor (malt character)

Question 4

Copper

Answer 4

< 1
Oxidation catalyst

Question 5

Iron

Answer 5

close to 0
Foam stabilizer but metallic taste at higher concentrations

Question 6

Magnesium

Answer 6

5-40
Fermentation, mash pH

Question 7

Manganese

Answer 7

close to 0
Metallic taste at higher concentrations

Question 8

Nitrate

Answer 8

< 44
Can be reduced to nitrite

Question 9

Nitrite

Answer 9

< 3
Inhibits yeast growth

Question 10

Sodium

Answer 10

< 150
High concentration negatively influences flavour